. MAINTENANCE MAINTENANCE PROCEDURE MAINTENANCE MAINTENANCE PROCEDURE 4 - 38 8. Inser t lock pi n (2) in the hole of the te eth an d hit it until its t op is th e same l evel as the surface of tee th (1). 9. After replacin g a bucket tooth, a lways check the following. 1) A fter the lock pin ha s been knock ed in c ompletely, check hat it is s ecured by the poin t and surfac 2) L ightly hit lock pin (2 ) in the revers e direction from whic h it as hit in 3) L ightly hit the tip of t he point from a bove a nd below, and hit s sides f rom right a nd left. 4) C onfirm t hat rubber pin lock (3) an d lock pin (2 ) are set as hown in the figure.
The life down so that it wi ll wear ev Replace the rubb er pin lock and locking pin at the same time as r eplacing the teeth. This mak es it possible t o prevent the teeth from fal d the frequency of it